feat: add columnWidth prop for expandable config

[ZeroTo0ne]

• expandable 新增 columnWidth 属性

table的expandable的icon宽度可设置

[vercel]

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[codecov]

Codecov Report

Merging #559 (ba2d73f) into master (df29061) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #559   +/-   ##
=======================================
  Coverage   99.87%   99.87%           
=======================================
  Files          26       26           
  Lines         803      803           
  Branches      234      234           
=======================================
  Hits          802      802           
  Misses          1        1           

Impacted Files	Coverage Δ
src/hooks/useColumns.tsx	100.00% <ø> (ø)

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